<html>
	<head>
		<link rel="shortcut icon" href="#" />
		<meta charset="utf-8">
	</head>

	<body>
		<h1>电风扇</h1>
		<form action="http://192.168.88.103/v1/switch1/on" method="POST" target="myIframe">
			<input type="submit" value="打开" style="width:200px; height:150px;">
		</form> 
		<form action="http://192.168.88.103/v1/switch1/off" method="POST" target="myIframe">
			<input type="submit" value="关闭" style="width:200px; height:150px;">
		</form> 
		<iframe id="myIframe" name="myIframe" style="width:2px; height:1px;"></iframe>
	</body>
</html>